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<head><meta charset="utf-8"><title>Good news: LLVM got smarter about repeated `pop`s · t-compiler/wg-llvm · Zulip Chat Archive</title></head>
<h2>Stream: <a href="https://rust-lang.github.io/zulip_archive/stream/187780-t-compiler/wg-llvm/index.html">t-compiler/wg-llvm</a></h2>
<h3>Topic: <a href="https://rust-lang.github.io/zulip_archive/stream/187780-t-compiler/wg-llvm/topic/Good.20news.3A.20LLVM.20got.20smarter.20about.20repeated.20.60pop.60s.html">Good news: LLVM got smarter about repeated `pop`s</a></h3>

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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187780-t-compiler/wg-llvm/topic/Good%20news%3A%20LLVM%20got%20smarter%20about%20repeated%20%60pop%60s/near/240258329" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> scottmcm <a href="https://rust-lang.github.io/zulip_archive/stream/187780-t-compiler/wg-llvm/topic/Good.20news.3A.20LLVM.20got.20smarter.20about.20repeated.20.60pop.60s.html#240258329">(May 25 2021 at 22:28)</a>:</h4>
<p>It looks like it can collapse the length updates that it couldn't before:<br>
<a href="https://rust.godbolt.org/z/frzesMz7f">https://rust.godbolt.org/z/frzesMz7f</a><br>
(No action requested; just a "yay!")</p>



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<h4><a href="https://rust-lang.zulipchat.com#narrow/stream/187780-t-compiler/wg-llvm/topic/Good%20news%3A%20LLVM%20got%20smarter%20about%20repeated%20%60pop%60s/near/240258510" class="zl"><img src="https://rust-lang.github.io/zulip_archive/assets/img/zulip.svg" alt="view this post on Zulip" style="width:20px;height:20px;"></a> nagisa <a href="https://rust-lang.github.io/zulip_archive/stream/187780-t-compiler/wg-llvm/topic/Good.20news.3A.20LLVM.20got.20smarter.20about.20repeated.20.60pop.60s.html#240258510">(May 25 2021 at 22:30)</a>:</h4>
<p>mutable noalias was enabled by default.</p>



<hr><p>Last updated: Aug 07 2021 at 22:04 UTC</p>
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